<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表单</title>
</head>
<body>

<form action="#"  autocomplete="off">
    <!--label-->
    <label for="username">姓名:</label>
        <input id="username"  name="username" type="text" /><br>

    年龄: <input id="age"  name="age" type="number" value="30" placeholder="请输入年龄"/><br>
    <label for="yyy">xxxxx:</label>
    <input id="yyy"  name="dddd" type="text" /><br>
    <label for="gender">性别:</label>
    <input id="gender"  name="gender" type="radio" value="男"/>男
    <input   name="gender" type="radio"  value="女"/>女
    <input  name="gender" type="radio" value="未知"/>未知<br>


    <input id="id"  name="id" type="hidden" value="dfgkjhldifghjldfg"/><br>


    <label for="hobby">爱好:</label>
    <input id="hobby"  name="hobby" type="checkbox" value="御姐"/>御姐
    <input   name="hobby" type="checkbox"  value="萝莉"/>萝莉
    <input  name="hobby" type="checkbox" value="少妇"/>少妇<br>
    <button type="submit">提交</button>
    <button type="reset">重置</button>
    <button type="button">按钮</button>

</form>
</body>
</html>